public void TransactionIsCreated_WhenUserWithdraws()
{
int allTransactionsBefore = context.Transactions.CountAsync().Result;
int accountId = 20;
decimal withdrawalAmount = 100;
accountCommandHandler.Withdraw(accountId, withdrawalAmount);
int allTransactionsAfter = context.Transactions.CountAsync().Result;
Assert.AreEqual(allTransactionsAfter, allTransactionsBefore + 1);
}
public void AccountBalanceDecreased_WhenUserWithdraws()
{
int accountId = 30;
options = new DbContextOptionsBuilder <BankAppDataContext>()
.UseInMemoryDatabase(databaseName: "TestingDb")
.Options;
using (var context = new BankAppDataContext(options))
{
accountQueriesHandler = new AccountQueriesHandler(context);
accountCommandHandler = new AccountCommandHandler(context);
context.Accounts.Add(new Account {
AccountId = accountId, Balance = 2000
});
context.SaveChanges();
}
using (var context = new BankAppDataContext(options))
{
accountQueriesHandler = new AccountQueriesHandler(context);
accountCommandHandler = new AccountCommandHandler(context);
decimal balanceBefore = accountQueriesHandler.GetAccount(accountId).Balance;
decimal withdrawalAmount = 1000;
accountCommandHandler.Withdraw(accountId, withdrawalAmount);
decimal balanceAfter = accountQueriesHandler.GetAccount(accountId).Balance;
Assert.Less(balanceAfter, balanceBefore);
}
}
public IActionResult Withdraw(int accountId, decimal amount)
{
if (ModelState.IsValid)
{
int result = accountHandler.Withdraw(accountId, amount);
if (result == 1)
{
TempData["success"] = "Withdrawal executed successfully.";
return(View());
}
}
TempData["error"] = "Withdrawal was unsuccessful. Please check that amount and account Id are correct.";
return(View());
}